Special and General Relativity Forum

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Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the observed objects.
High School Understanding Time Dilation: How Fast Do You Have to Go?
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High School Does Heating a Battery Affect Its Weight and Energy Storage?
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Graduate How can empty space expand? (Reality behind the GR equations.)
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Graduate Special Relativity GRE Question
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Graduate Special relativity - observing spinning objects
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Graduate Michelson- Morley's experiment
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Graduate Reference frames for photon collisions
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Graduate What is the gauge group of general relativity?
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Graduate Gravitational Interaction of Relatively Moving Bodies: Does Aberration Apply?
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Undergrad Why do like charges and poles repel in the long run?
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Graduate Mass & Gravity of Photon at Light Speed
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Graduate Derivation of Lorentz Transformation
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Graduate Relativistic De Broglie Relation
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Reforming Society's Perception: The Relativity of Age in Relationships
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Graduate Help with a thought experiment.
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Graduate Silly question about special relativity
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Graduate Simple lorentz trans. question
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High School Relativity: The Most Beautiful Theory in Physics
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Undergrad Photons and Relativity: A Question of Speed and Time
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Graduate Relativistic Orbits: Can Mass Increase Keep Planets Together?
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Graduate Why doesn't DEceleration add mass as well?
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Undergrad Electric field and gravitational field
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Graduate Is there something special about standing on a planet?
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Graduate How Would Gravity Behave with a Four-Component Mass Current as Its Source?
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High School What Does "Twin B Being 3 Years Younger" Mean? An Explanation from My Cousin
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Graduate What Happens to Time on a Moving Vehicle?
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Graduate Group velocity and speed of information
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Graduate What kind of a bomb? answer:the exploding kind.
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Graduate Changing of one of the previous topics
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Graduate Speed of Light vs Refractive Index: Does It Violate Relativity?
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Graduate The runner on the train paradox.
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Graduate Spacetime - it warps, it curves, but can't expand?
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Undergrad Why can't a photon exceed the speed of light?
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Undergrad Special relativity & length contraction
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Graduate What Happens to Time When Traveling Near the Speed of Light?
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Graduate Can someone give me a good plausible answer
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Graduate Tensors: Lorentz vs Galilean invariance
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Graduate Is the Universe a Spiral Cone Leading to a New Big Bang?
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Graduate What is the Meaning of 4-Momenta and How is it Used?
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Graduate Is There Physical Significance to Imaginary Dimensions in Space-Time?
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Undergrad Understanding the Relationship Between Moving Electrons and Magnetic Fields
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Graduate Electric / magnetic field transformations
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Undergrad Modern Physics: Center of Momentum Speed
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Graduate Distance & Relativity: Does Light Experience Distance?
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Graduate Experimental proofs of increase of mass with v
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Undergrad What is the true nature of time and its relationship to space?
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Graduate What Happens at the Event Horizon of a Black Hole?
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Graduate Thought Experiment - Measuring speed of light
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Graduate How Do We Know Gravity Is A Force?
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Graduate Variations, Euler-Lagrange, and Stokes
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Graduate Understanding the Robertson-Walker Metric with Curvature Normalization
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Graduate Dr. Robert Forward's curvature gradient detector
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Graduate Does Light Travel Differently in Einstein's Train Experiment?
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Graduate How to measure the lack of external force during free fall?
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Graduate Does the shape of the curve, that is produced in space by a mass, have a name ?
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Graduate Time does not run slower or faster
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Graduate Approximation of the FE feat. loose notation
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Graduate Infinite Acceleration: What Happens at the Speed of Light?
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Undergrad Phantastic Photons: Rate of Light Emission & Laser Images
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Graduate Twin Paradox: Is Time Speeding Up?
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Graduate Is inertia relative or absolute?
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Graduate Time Dilation: The Traveller's Perspective
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Graduate What Mathematical Knowledge is Needed to Understand Einstein's Field Equations?
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Graduate Speed of photons inside a very powerful gravitational wave
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Graduate Simple Lorentz transformation. Are there objections
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Graduate Understanding Schutz's "Invariance of the Interval"
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Undergrad What Is the Linear Form of the Lorentz Transformation Equation?
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Undergrad Understanding Speed: The Science Behind Movement and Its Limitations
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Graduate Magnetic field, frames of reference
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Graduate Dark Energy as a Gravitational Field?
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Graduate Relativity and space travel - what's the problem?
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Graduate Is time an illusion, or is it a fundamental aspect of our universe?
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Graduate Can a Ferris Wheel Spin Faster Than Light?
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Graduate Understanding Relativity: Explaining the Speed of Photons in a Head-On Collision
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Graduate How Can Gravity Create a Dent in Space-Time Without Preexisting Gravity?
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Undergrad Noobish question on time dilation
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Graduate On the way to showing that LT is linear
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Undergrad When sun is gone, gravity of light, which one faster?
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Undergrad Do Photons Experience Gravitational Red Shift?
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Undergrad Universe Expansion: Is There a Cycle?
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Graduate Time gap between explosions in moving frame of reference
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Graduate General relativity vs quantum field theory
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Graduate Does the sum of the mass of two bodies vary with the distance between them ?
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Graduate Causal paradoxes - how to solve them?
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Graduate Max Frequency at the Speed of Light: Clarifying a Puzzling Concept
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Graduate Speed of Theoretical Wave: Constant Regardless of Frame?
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Graduate Gravity ficticuous force because it's relative to mass?
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Graduate Help: Lorentz transformations with and without thought experiments
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Graduate Photon Acceleration: From 0 to c in Zero Seconds?
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Undergrad Is a 2004 Discovery About Physics Still Relevant Today?
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Graduate Time Dilation and Biological Aging
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Graduate Superconductors and Gravitomagnetism
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Graduate Speed of Light always remains constant ? think again.
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Graduate Space-Time Curvature: Sun & Earth Pulled Together with Equal Force
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Graduate Lorentz Transformation Explained: What Is It?
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Graduate Help Historical evolution of understanding of SR
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Undergrad Explaining Pythagoras' Theorem & Its Impact on Acceleration
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Undergrad Is Time Dilation Making You Younger or Older in Special Relativity?
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Graduate Verification of the Lorentz contraction of the space
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Graduate Can Uniform Relative Motion Turn a Wormhole into a Time Tunnel?
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